code: def test_defaults():
      X, y = make_multiplexer_dataset()
  
      assert X.shape == (100, 6), X.shape
      assert X.dtype == np.int_
      assert y.shape == (100,), y.shape
      assert y.dtype == np.int_
  
file_path: mlxtend/mlxtend/data/tests/test_multiplexer.py
imports: import sys
  import numpy
  from mlxtend.data import make_multiplexer_dataset
  from mlxtend.utils import assert_raises
label_desc: Use image node_id 1 for calling a global function with example usage: test_defaults() without return types